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Telephone Switching Course

Telephone Switching Course
from 4 to 360h flexible workload
valid certificate in your country

What will I learn?

Gain practical skills in telephone switching, covering TDM basics, SS7/ISUP, VoIP with SIP, RTP, media gateways, QoS management, capacity planning, codec picks, high availability, migration plans, interworking, and troubleshooting for reliable voice networks.

Elevify advantages

Develop skills

  • Design VoIP capacity by sizing trunks, calls, and QoS needs.
  • Set up SIP, RTP, and codecs for strong packet voice delivery.
  • Add security to voice with SRTP, SIP TLS, NAT fixes, and firewall rules.
  • Link PSTN and IP using SS7-SIP gateways and call paths.
  • Fix voice issues with Wireshark, logs, MOS checks, and RTP tools.

Suggested summary

Before starting, you can change the chapters and the workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.
Workload: between 4 and 360 hours

What our students say

Your classes are perfect. I purchased the one-year package and finally have the chance to follow several topics I'm interested in without having to switch platforms... I appreciate everything you do, I've already recommended you to others...
Giulio Carlo
Giulio CarloDigital Marketing Student
I like how the lessons are straight to the point and how I can switch chapters and skip content I don't need.
Mariana Ferres
Mariana FerresPhotography Student
I like the content and the way the videos are presented and transcribed, which speeds up the process!
Luciana Alvarenga
Luciana AlvarengaNail Design Student
The platform is fast and easy to use. The variety of content and the extra videos really help with learning.
Giulio Carlo
Giulio CarloPrompt Engineering Student

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